ST 182100AV Coilover Kit ST XA AUDI A4 (B9); (B8, B81) 10/15- test123 150 Ringset Part Number JG1001-3386

150 Ringset Part Number JG1001-3386 Ring Brand ProSeal Ringset Included Yes Retainer Thickness 0

manufactured by the same people who currently supply BMW M sport and Mercedes Benz for all their engine calibration and Dyno testing

Comp Exducer: 133mm

Additional Info: Napier style second rings

ST 182100AV Coilover Kit ST XA AUDI A4 (B9); (B8, B81) 10/15- test123 150 Ringset Part Number JG1001-3386ST 182100AV Coilovers ST XA galvanized steel (with damping adjustment) The ST suspensions XA coilovers are engineered for drivers requiring both ride height adjustment and customizable damping characteristics. Developed in collaboration with KW Automotive, this system incorporates advanced damping technology that allows precise rebound adjustment to suit varying driving conditions. Damping can be adjusted directly at the top of the piston rod,